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Personalized Forecasts

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    • Tonight

      Sep 28

      25° Lo
      A thunderstorm in spots early
      • Home Energy Efficiency
      • Weather
      • Avg RealFeel: 36°
      • Hi RealFeel: 44°
      • Wind Speed: 13 k/h
      More
    • Thu

      Sep 29

      32° /24°C
      An afternoon thunderstorm
      • Fair
      • for home energy
      • Avg RealFeel: 32°
      • Hi RealFeel: 39°
      • Wind Speed: 19 k/h
    • Fri

      Sep 30

      29° /24°
      Showers and a heavier t-storm
      • Fair
      • for home energy
      • Avg RealFeel: 32°
      • Hi RealFeel: 37°
      • Wind Speed: 15 k/h
      More
    • Sat

      Oct 1

      29° /23°
      A shower and t-storm around
      • Poor
      • for home energy
      • Avg RealFeel: 32°
      • Hi RealFeel: 38°
      • Wind Speed: 11 k/h
      More
    • Sun

      Oct 2

      29° /23°
      A shower and t-storm around
      • Poor
      • for home energy
      • Avg RealFeel: 32°
      • Hi RealFeel: 37°
      • Wind Speed: 13 k/h
      More

    Day

    32°Hi RealFeel® 39° Precipitation 68%
    Intervals of clouds and sun with a shower or thunderstorm around in the afternoon
    • NNE 18 km/h
    • Gusts: 22 km/h
    • Max UV Index: 10 (Extreme)
    • Thunderstorms: 60%
    • Precipitation: 9 mm
    • Rain: 9 mm
    • Snow: 0 CM
    • Ice: 0 mm
    • Hours of Precipitation: 1 hrs
    • Hours of Rain: 1 hrs

    Night

    24°Lo RealFeel® 25° Precipitation 56%
    Partly cloudy with a shower or thunderstorm around
    • N 13 km/h
    • Gusts: 17 km/h
    • Max UV Index: N/A
    • Thunderstorms: 40%
    • Precipitation: 4 mm
    • Rain: 4 mm
    • Snow: 0 CM
    • Ice: 0 mm
    • Hours of Precipitation: 1.5 hrs
    • Hours of Rain: 1.5 hrs

    Temperature History

    more Historical Weather Data >
      Today Normal Record 9/29/2015
    High 32° 31° N/A 32°
    Low 24° 22° N/A 26°

    Sunrise/Sunset

    • Sunrise: 6:31 AM
    • Sunset: 6:30 PM
    • Duration: 11:59 hr

    Moonrise/Moonset

    • Moonrise: 5:19 AM
    • Moonset: 5:51 PM
    • Duration: 12:32 hr
    Astronomy

    San Juan Weather Report

    Strengthening Matthew may approach US next week

    September 28, 2016; 3:36 PM ET

    Tropical Storm Matthew has formed in the Caribbean could take a turn toward the United States as a hurricane next week. More >